Plug Power SEC Filings

Gary K. Willis, a director of Plug Power Inc. (PLUG), acquired 13,948 shares of the company's common stock on 10/01/2025 at a price of $2.33 per share. After this transaction, Mr. Willis beneficially owned 673,857 shares. The filing states the acquisition was compensation awarded to directors under Plug Power's Non-Employee Director Compensation Plan.

The transaction was reported on Form 4 and executed via attorney-in-fact signature. The disclosure lists the acquisition as a non-derivative purchase and identifies the reporting person as filing individually. No additional sales, option exercises, or derivative activity are disclosed in this filing.

PLUG POWER INC director George C. McNamee reported a purchase of 10,998 shares of common stock on 10/01/2025 at a reported price of $2.33 per share, recorded on a Form 4 filed with a signature dated 10/03/2025. After the transaction he is shown as beneficially owning 820,521 shares directly and 300,000 shares indirectly through the McNamee Family Irrevocable Trust of 2020, for which he serves as trustee and disclaims beneficial ownership except to the extent of his pecuniary interest. The acquisition is disclosed as compensation under the company’s Non-Employee Director Compensation Plan and was reported by an attorney-in-fact.

Plug Power filed a prospectus supplement to register up to 185,430,464 shares of common stock that may be issued upon exercise of warrants issued under a March 19, 2025 underwriting agreement. The warrants carry a $2.00 exercise price and expire on March 20, 2028. If exercised in full for cash, the Company would receive gross proceeds of $370,860,928. The prospectus supplement allows the identified selling stockholder and its successors to resell some or all of those shares in various public or private transactions and notes that sales could be at fixed, market, negotiated or varying prices. The filing discloses that Plug Power common stock trades under the symbol PLUG and reports a last sale price of $2.18 on September 19, 2025. The document reiterates that registration does not obligate the selling stockholder to sell any or all shares and highlights related risks under the heading Risk Factors.

Benjamin Haycraft, CSO & GM of EMEA at Plug Power, reported a sale of 10,972 shares of PLUG common stock on 09/16/2025 at $1.59 per share, leaving him with 477,583 shares beneficially owned. The filing states the sale was executed under a Rule 10b5-1 trading plan adopted on June 13, 2025. The Form 4 is signed by an attorney-in-fact on behalf of the reporting person.

Form 144 notice for PLUG POWER INC (PLUG) reports a proposed sale of 10,972 common shares through RBC Capital Markets LLC on 09/16/2025 on the NASDAQ. The filing lists an aggregate market value of $17,445.00 and indicates 1,154,840,742 shares outstanding. The shares to be sold were acquired via Restricted Stock Unit vesting on 09/22/2022 (4,424 shares), 09/22/2023 (4,425 shares) and 10/17/2023 (2,123 shares), totaling the 10,972 shares in this notice. The filer reports no securities sold in the past three months and includes the standard representation that the seller does not possess undisclosed material adverse information.

Dean Fullerton, Chief Operating Officer of Plug Power Inc. (PLUG) was awarded a stock option on 09/04/2025 to purchase 1,000,000 shares of Common Stock at an exercise price of $1.44 per share. The award was made under Plug Power's 2021 Stock Option and Incentive Plan, as amended. The option vests in three equal annual installments following the grant date, subject to the reporting person’s continued service, and expires on 09/04/2035. The Form 4 was signed by an attorney-in-fact on 09/08/2025 and reports 1,000,000 shares beneficially owned following the grant.